Timber Roof Truss Thickness

The tr26 grade timber that we sustainably source is in accordance with bs en 14081 kiln dried and planed all round.

Timber roof truss thickness.

Pitched roof timber sizes. 360 mm general truss information. As trussed rafters can use up to 40 less timber than a traditionally formed roof. Stubbed mono timber truss stubbed attic timber truss and stubbed duo.

Reduced labour costs on site. 0 524 kn m ceiling dead load. One of the benefits of a protracted span truss system is that you don t need to put together multiple slices of material to reach the same wideness of a roof. Nail plates are used to join two or more pieces of timber together that are of the same thickness and in the same plane.

0 250 kn m ceiling live load 0 250 kn m tank load 0 450 kn max tile batten centres. The teeth or spikes that protrude from one side of the plate are the nails that fix the plate to the timber. 360 mm attic floor load 0 524 kn m attic room height. Member size grade tc 1 4 4 7 97 tr26 bc 6 10 72 tr26 bc 10 2 72 tr26 wb 3 8 5.

A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof trusses usually occur at regular intervals linked by longitudinal timbers such as purlins the space between each truss is known as a bay. 0 250 kn m ceiling live load 0 250 kn m tank load 0 450 kn max tile batten centres. 35 timber size information. 3500 mm general truss information.

0 785 kn m snow load. 2350 mm attic room width. Attic roof truss general load settings. Tr26 grade timber has been a cornerstone product of timber roof truss manufacturing for a number of years and therefore is the only kind of timber that we use and provide for our customers.

Typically nail plates are 1 0 mm to 1 6 mm in thickness and have six to eight teeth per square inch 25 x 25 mm. The following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction. 600 timber thickness mm. Standard roof truss general load settings.

Timber roof trusses fixing bracing guidelines for timber roof trusses vic 03 8795 8888 nsw 02 8525 8000 qld 07 3861 2100 sa 08 8234 1326 wa 08 9412 3534 new zealand 09 274 7109 the timber roof trusses you are about to install have been manufactured to engineering standards. 47 timber size information. If you re thinking about replacing your roof with a new one you will need a roof truss calculator. 0 524 kn m ceiling dead load.

600 timber thickness mm. All the figures are based on roofing tiles or slates laid on timber laths over sarking felt. This online truss calculator will determine the all in cost of your truss based on key inputs related to the pitch width and overhang of your roof. Rafters have a tendency to flatten under gravity thrusting outwards on the walls.